Home / 1,240,597,840.44-1,711,975,175.21-676,070,734.38

Finding the Fourth Proportional to 1,240,597,840.44, 1,711,975,175.21 and 676,070,734.38

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Solution

The fourth proportional to 1,240,597,840.44, 1,711,975,175.21 and 676,070,734.38 is: 932,950,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,597,840.44 : 1,711,975,175.21 = 676,070,734.38 : x
  2. Step 2: Convert to fraction form
    1,240,597,840.44/1,711,975,175.21 = 676,070,734.38/x
  3. Step 3: Cross multiply
    1,240,597,840.44x = 1,711,975,175.21 × 676,070,734.38
  4. Step 4: Simplify right side
    1,240,597,840.44x = 1,157,416,313,944,553,984
  5. Step 5: Solve for x
    x = 1,157,416,313,944,553,984/1,240,597,840.44
  6. Step 6: Final answer
    x = 932,950,450.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.